<template>
  <el-dialog title="用户" :visible.sync="visible" @close="close" width="60%" append-to-body v-dialogDrag :close-on-click-modal="false">
    <div class="app-container">
      <el-row :gutter="20">
        <!--用户数据-->
        <el-col :xs="24">
          <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
            <el-form-item label="用户名称" prop="userName">
              <el-input
                  v-model="queryParams.userName"
                  placeholder="请输入用户名称"
                  clearable
                  @keyup.enter.native="handleQuery"
              />
            </el-form-item>
            <el-form-item label="归属部门" prop="deptId">
              <treeselect v-model="queryParams.deptId" style="width: 240px" :options="deptOptions" :show-count="true" placeholder="请选择归属部门"/>
            </el-form-item>
            <el-form-item>
              <el-button type="primary" icon="el-icon-search" @click="handleQuery">搜索</el-button>
              <el-button icon="el-icon-refresh" @click="resetQuery">重置</el-button>
            </el-form-item>
          </el-form>
          <!-- 选中的用户 -->
          <div>
            <el-tag v-for="user in chooseUserList" :key="user.userName" style="margin:2px"
                    closable @close="handleCloseTag(user)">{{ user.userName }}
            </el-tag>
          </div>

          <el-row :gutter="10" class="mb8">
            <right-toolbar :showSearch.sync="showSearch" @queryTable="getList" :columns="columns"></right-toolbar>
          </el-row>

          <el-table v-loading="loading" :data="userList" ref="multipleTable" :row-key="getRowKey" @selection-change="handleSelectionChange">
            <el-table-column type="selection" :reserve-selection="true" width="50" align="center"/>
            <el-table-column label="用户编号" align="center" key="userId" prop="userId" v-if="columns[0].visible"/>
            <el-table-column label="用户名称" align="center" key="userName" prop="userName" v-if="columns[1].visible" :show-overflow-tooltip="true"/>
            <el-table-column label="用户昵称" align="center" key="nickName" prop="nickName" v-if="columns[2].visible" :show-overflow-tooltip="true"/>
            <el-table-column label="部门" align="center" key="deptName" prop="dept.deptName" v-if="columns[3].visible" :show-overflow-tooltip="true"/>
            <el-table-column label="手机号码" align="center" key="phonenumber" prop="phonenumber" v-if="columns[4].visible" width="120"/>
            <el-table-column label="创建时间" align="center" prop="createTime" v-if="columns[5].visible" width="160">
              <template slot-scope="scope">
                <span>{{ parseTime(scope.row.createTime) }}</span>
              </template>
            </el-table-column>
          </el-table>

          <pagination
              v-show="total>0"
              :total="total"
              :page.sync="queryParams.pageNum"
              :limit.sync="queryParams.pageSize"
              @pagination="getList"
          />
        </el-col>
      </el-row>
    </div>
    <div slot="footer" class="dialog-footer">
      <el-button :loading="buttonLoading" type="primary" @click="confirmUser">确认</el-button>
      <el-button @click="cancel">取 消</el-button>
    </div>
  </el-dialog>
</template>

<script>
import {getWorkflowUserListByPage} from "@/api/workflow/workflowUser";
import {deptTreeSelect} from "@/api/system/user";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import {mapGetters} from "vuex";

export default {
  props: {
    //是否多选
    multiple: {
      type: Boolean,
      default: true,
    },
    //传入的条件
    dataObj: {
      type: Object,
      default: {}
    },
    // 节点id
    nodeId: {
      type: String,
      default: ''
    }
  },
  name: "User",
  dicts: ['sys_user_sex'],
  components: {Treeselect},
  computed: {
    ...mapGetters(["userInfo"])
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      buttonLoading: false,
      // 是否显示弹出层
      visible: false,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 用户表格数据
      userList: [],
      deptName: undefined,
      // 部门树选项
      deptOptions: undefined,
      //默认展开
      defaultExpand: [],
      defaultProps: {
        children: "children",
        label: "label"
      },
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        userName: undefined,
        phonenumber: undefined,
        deptId: undefined,
        type: undefined,
        params: undefined,
        ids: []
      },
      // 列信息
      columns: [
        {key: 0, label: `用户编号`, visible: true},
        {key: 1, label: `用户名称`, visible: true},
        {key: 2, label: `用户昵称`, visible: true},
        {key: 3, label: `部门`, visible: true},
        {key: 4, label: `手机号码`, visible: true},
        {key: 5, label: `创建时间`, visible: true}
      ],
      // 保存选择的用户
      chooseUserList: [],
      getRowKey(row) {
        return row.userId
      }
    };
  },
  watch: {
    dataObj(val) {
      this.queryParams.params = val.assigneeId;
      this.queryParams.type = val.chooseWay;
      this.queryParams.ids = val.ids;
      this.queryParams.deptId = this.userInfo.subjectId;
      this.$nextTick(() => {
        this.$refs.multipleTable.clearSelection();
      });
      this.getList()
    },
  },
  created() {
    this.getTreeselect();
  },
  methods: {
    /** 查询用户列表 */
    getList() {
      this.loading = true;
      this.chooseUserList = []
      getWorkflowUserListByPage(this.queryParams).then(response => {
        let res = response.data.page
        this.userList = res.rows;
        this.total = res.total;
        //反选
        if (response.data.list) {
          this.chooseUserList = response.data.list
          response.data.list.forEach(row => {
            this.$refs.multipleTable.toggleRowSelection(row, true);
          })
        }
        this.loading = false;
      });
    },
    /** 查询部门下拉树结构 */
    getTreeselect() {
      deptTreeSelect({"params[ignorePermission]": 'true'}).then(response => {
        this.deptOptions = response.data;
      });
    },
    // 筛选节点
    filterNode(value, data) {
      if (!value) return true;
      return data.label.indexOf(value) !== -1;
    },
    // 节点单击事件
    handleNodeClick(data) {
      this.queryParams.deptId = data.id;
      this.getList();
    },
    // 取消按钮
    cancel() {
      this.visible = false
      this.chooseUserList = []
    },
    // 关闭
    close() {
      this.visible = false
      this.chooseUserList = []
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
    },
    // 多选框选中数据
    handleSelectionChange(val) {
      if (this.multiple) {
        this.chooseUserList = val.filter((element, index, self) => {
          return self.findIndex(x => x.userId === element.userId) === index
        })
      } else {
        this.chooseUserList = val
        if (val.length > 1) {
          let delRow = val.shift();
          this.$refs.multipleTable.toggleRowSelection(delRow, false);
        }
        if (val.length === 0) {
          this.chooseUserList = null
        }
      }
    },
    // 删除tag
    handleCloseTag(user) {
      this.chooseUserList.splice(this.chooseUserList.indexOf(user), 1);
      this.$refs.multipleTable.toggleRowSelection(user, false)
      this.userList.forEach((row, index) => {
        if (user.userId === row.userId) {
          this.$refs.multipleTable.toggleRowSelection(this.userList[index], false)
        }
      })
    },
    // 确认
    confirmUser() {
      if (this.chooseUserList.length > 0) {
        this.$emit("confirmUser", this.chooseUserList, this.nodeId)
        this.visible = false
      } else {
        this.$modal.msgWarning("请选择人员！");
      }
    }
  }
};
</script>
<style scoped>

</style>
